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Characterisation of innate lymphoid cell subsets infiltrating colorectal carcinoma
Gut ( IF 24.5 ) Pub Date : 2020-03-05 , DOI: 10.1136/gutjnl-2020-320908
Paolo Carrega , Paola Orecchia , Linda Quatrini , Nicola Tumino , Roberta Venè , Roberto Benelli , Alessandro Poggi , Stefano Scabini , Maria Cristina Mingari , Lorenzo Moretta , Paola Vacca

We read with great interest the paper by de Vries et al 1 which provides an interesting and unbiased characterisation of the immune contexture of colorectal cancer (CRC), the third most common cancer worldwide.2 By mass cytometric analysis together with single cell RNA sequencing, the authors identified several clusters of immune cells infiltrating CRC. They show that natural killer (NK) cells (identified as CD127−CD56+CD45RO+) are the prevalent innate lymphoid cell (ILC) population. NK cells are cytotoxic cells and can be distinguished from the non-cytotoxic CD127+ ‘helper’ ILC subsets (hILCs), which are specialised in the secretion of different sets of cytokines.3 Because of the low numbers of CD127+ hILCs, the authors did not characterise further hILC subsets. However, given their capacity to rapidly respond to environmental signals and pathogenic challenges, hILCs serve as important sentinels of mucosal tissue homeostasis.4 Therefore, their possible role both in CRC pathogenesis and in antitumour response has yet to be determined. Data on the ILC subset composition in CRC may allow improvement in therapeutic strategies for the control of this tumour by either suppressing or harnessing ILC function. In this context, we analysed ILC subsets in samples from 33 resected primary CRC (online supplementary table 1) in comparison with matched normal mucosa (from the same patient), sampled 10 cm distant from the tumour (see …

中文翻译:

浸润性结直肠癌的先天淋巴细胞亚群的表征

我们非常感兴趣地阅读了 de Vries 等人 1 的论文,该论文对结直肠癌 (CRC) 的免疫环境进行了有趣且公正的表征,结直肠癌是全球第三大常见癌症。 2 通过大规模细胞计数分析和单细胞 RNA 测序,作者确定了几个浸润 CRC 的免疫细胞簇。他们表明自然杀伤 (NK) 细胞(鉴定为 CD127-CD56+CD45RO+)是普遍存在的先天淋巴细胞 (ILC) 群体。NK 细胞是细胞毒性细胞,可以与非细胞毒性 CD127+“辅助”ILC 亚群 (hILC) 区分开来,后者专门用于分泌不同类型的细胞因子。 3 由于 CD127+ hILC 数量较少,作者没有表征进一步的 hILC 子集。然而,鉴于 hILC 能够快速响应环境信号和病原体挑战,因此它们是粘膜组织稳态的重要哨兵。4 因此,它们在 CRC 发病机制和抗肿瘤反应中的可能作用尚未确定。CRC 中 ILC 子集组成的数据可能允许通过抑制或利用 ILC 功能来改进控制该肿瘤的治疗策略。在这种情况下,我们分析了 33 个切除的原发性 CRC(在线补充表 1)样本中的 ILC 子集,与匹配的正常粘膜(来自同一患者)相比,在距肿瘤 10 厘米处采样(见…… CRC 中 ILC 子集组成的数据可能允许通过抑制或利用 ILC 功能来改进控制该肿瘤的治疗策略。在这种情况下,我们分析了 33 个切除的原发性 CRC(在线补充表 1)样本中的 ILC 子集,与匹配的正常粘膜(来自同一患者)相比,在距肿瘤 10 厘米处采样(见…… CRC 中 ILC 子集组成的数据可能允许通过抑制或利用 ILC 功能来改进控制该肿瘤的治疗策略。在这种情况下,我们分析了 33 个切除的原发性 CRC(在线补充表 1)样本中的 ILC 子集,与匹配的正常粘膜(来自同一患者)相比,在距肿瘤 10 厘米处采样(见……
更新日期:2020-03-05
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